トロイデ

noun

tholoid; lava dome

Geological term for a dome-shaped volcanic landform, typically formed by viscous lava. The cross-reference 溶岩円頂丘 is the Japanese equivalent.

from German Tholoide

See also: 溶岩円頂丘

• 昭しょう和わ新しん山ざんは有う珠す山ざんの側そく火か山ざんとして形けい成せいされたトロイデである。

  Shōwa-shinzan is a tholoid formed as a parasitic cone of Mount Usu.